Re: [CLucene-dev] CLucene-developers Digest, Vol 57, Issue 4

[muhammad i. <m.i...@gm...>]

>
>
> please could you write how you instantiate the highlighter? Which scorer do
> you use?
>

         m_highlightQuery = m_pMainQuery->clone();

        Query * q = m_highlightQuery->rewrite(m_pReader);

        m_queryScorer = new QueryScorer(q);

        m_highlighter = new Highlighter(m_queryScorer);



>
> Are you using the highlighter version from the highlighter branch?
>

No i am on master branch and i can not find highlighter branch  , i merged
the wildcardQuery_fix and memory_leaks branches to master.

>
> I would try to find the place, where the exception is thrown.
>
>
>
> But still, there is a problem along with the ConstantScoreQuery. Both ways
> to highlight a document
>
> that are available now will not work because:
>
> 1) If you use the "basic" highlighting - means you use the
> CL_NS2(search,highlight)::QueryScorer - than this scorer calls the
> extractTerms() method which is not
>
> implemented in ConstantScoreQuery  as this query uses filters to match
> documents.
>
> 2 the "exact" highlighting - means you use the
> CL_NS2(search,highlight)::SpanHighlightScorer - also does not highlight
> ConstantScoreQueries for the same reason.
>
> is this means that i can not use WildcardQuery with highlighter without
setting the maximum clauses?


> But, you could use this scorer with the original WildcardQuery and allow
> rewriting queries in place. Then if your documents are not too long and
>
> the single documents does not contain  more the the max clause limit
> different matching terms, then this would work.
>
>
>
> If you want to use the new highlighter scorer then I could send you piece
> of code, how to call it.
>
>
> Note :-
I can not use setMaxClauses because my documents are too long and if i use
setMaxClauses i always get too many clauses exception

Mohammad Ismael